In addition to providing the best protection available for tornadoes, this structure can be converted as a bathroom, closet, vault, a changing room for the pool.
The walls are up to 10″ thick, the ceiling is 18″, the floor is 10″, and pier footings are 18″ deep
Completely monolithic; the footing floor walls and ceiling are one continuous concrete structure
Formed and poured on site, in existing garages, new construction or off back patios
Can be built near mobile homes and commercial locations
Full steel cage through the floor walls and ceiling